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People save a glacier – level 2

28-12-2022 15:00

Swedish scientists did an experiment on the Helags Glacier...

People save a glacier – level 3

28-12-2022 15:00

Researchers performed an experiment on the Helags Glacier in...

Fence Between USA and Mexico – level 3

18-04-2018 07:00

American officials came together to talk about the start...

England’s plastic money – level 3

07-06-2016 15:00

It is the end of the paper era for...